Wednesday, June 27, 2012

Is Africa's Medium Term Future Really Urban? New Evidence

Development Horizons from Lawrence Haddad
The recent report from UNICEF "Children in an Urban World" has much to commend it.

Urban populations are growing, more children are being brought up in urban areas, and we in the development research community are having to play catch up with this (based on my highly imperfect knowledge of the number of research projects, research funding streams and calls, journal articles etc.).

The UNICEF report confirms much of what we know: on average urban areas are better off (for example the rates of child underweight prevalences are 1.5 times higher in rural areas), and yet the urban areas contain pockets (large ones) of some of the most destitute and poorest people on the planet.

What the UNICEF report does, being a UN report, is use UN urban population data projections.  For example, the inside cover (above) has a graphic that shows  Nigeria with 50% of its population living in urban areas.

But a new paper from Deborah Potts at Kings College (in World Development and available here) points out that the UN projections are based on trends in the 60s and 70s when many African countries were rapidly urbanising (that is, their urban populations were growing fast enough to increase the proportion of the population living in urban areas).  Once we examine more recent data, we learn that these proportions are way off.

Potts' paper spends much of its time in a forensic analysis of old and new data from Nigeria.  She zeros in on an initiative called Africapolis (supported by the French development agency AfD), which cross-references census data, satellite images and secondary data sources (sometimes very very micro) to conclude that 30% of Nigeria's population is urban.  And, more extraordinarily, the percentage will only increase to 31% by 2020.

30% versus 50%.  And Nigeria is by far the most populous country in Sub-Saharan Africa.  This overestimation by UN data trends is constant with new census data emerging from other West African countries, she says.

None of this is to say that urban populations in many African countries are not growing--they are--simply that they may not be growing faster than overall population.

Why has African urbanisation slowed down? Potts' hypothesises that economic growth gains in Africa have not been broadly based in urban areas and that this is slowing  rural to urban migration.

Population in African countries might not be urbanising as quickly as conventional wisdom claims, but my guess is that the focus of the development research community still has some urbanising to do.
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The End Of The Euro: What’s Austerity Got To Do With It?

The Baseline Scenario

By Simon Johnson

Most of the current policy discussion concerning the euro area is about austerity.  Some people – particularly in German government circles – are pushing for tighter fiscal policies in troubled countries (i.e., higher taxes and lower government spending).  Others – including in the new French government — are more inclined to push for a more expansive fiscal policy where possible and to resist fiscal contraction elsewhere.

The recently concluded G20 summit is being interpreted as shifting the balance away from the "austerity now" group, at least to some extent.  But both sides of this debate are missing the important issue.  As a result, the euro area continues its slide towards deeper crisis and likely eventual disruptive break-up.

The underlying problem in the euro area is the exchange rate system itself – the fact that these European countries locked themselves into an initial exchange rate, i.e., the relative price of their currencies, and promised to never change that exchange rate.  This amounted to a very big bet that their economies would converge in productivity – that the Greeks (and others in what we now call the "periphery") would in effect become more like the Germans.  Alternatively, if the economies did not converge, the implicit presumption was that people would move – i.e., Greek workers go to Germany and converge to German productivity levels by working in factories and offices there.

It's hard to say which version of convergence was more unrealistic.

In fact, the opposite happened.  The gap between German and Greek (and other peripheral country) productivity increased, rather than decreasing, over the past decade.  Germany, as a result, developed a large surplus on its current account – meaning that it exports more than it imports.  The other countries, including Greece, Spain, Portugal and Ireland, had large current account deficits – they were buying more from the world than they were selling.  These current account deficits were financed by capital inflows (including from Germany but also through and from other countries).

In theory, these capital inflows could have helped peripheral Europe invest, become more productive, and "catch up" with Germany.  In practice, the capital inflows – in the form of borrowing – created the pathologies that now roil European markets.

In Greece, successive governments overspent – financed by borrowing — as they attempted to stay popular and win elections.  Some of these same politicians will likely return to power following the elections last weekend.

Greece has already adopted a considerable degree of fiscal austerity.  Now it needs to find its way to growth.  Cutting the budget further won't do that.  "Structural reform" – a favorite phrase of the G20 crowd – takes a very long time to be effective, particularly to the extent that it involves firing people in the short-run.  Throwing more "infrastructure" loans from Europe into the mix – for example, via the European Investment Bank – is unlikely to make much difference.  Additional loans of this kind are likely to end up being wasted or stolen as more and more well-connected people prepare for the moment when the euro is replaced by some form of drachma.

In Spain and Ireland, capital inflows – through borrowing by prominent banks – pumped up the housing market.  The bursting of that bubble has contracted their real economies and brought down all the banks that gambled on loans to real estate developers and construction companies.  Their problems are not much to do with fiscal policy.  As conventionally measured, both Ireland and Spain had responsible fiscal policies during the boom – but they were building up big contingent liabilities, in the form of irresponsible banking practices.

When the banks blew up in Ireland, this created a fiscal calamity for the government – mostly due to lost tax revenue.  It remains to be seen if Ireland can now find its way back to growth.

Spain still needs to recapitalize its banks – putting more equity in to replace what has been wiped out by losses — and, most important, must also find a renewed path to private sector growth.  Investors are rightly doubtful that the current policies are pointed in this direction.

In Portugal and Italy, the problem is a long-standing lack of growth.  As financial markets become skeptical of European sovereign debt, these countries need to show that they can begin grow steadily – and bring down their debt relative to GDP (something that has not happened for the past decade or so).  Fiscal austerity will not help, but fiscal expansion is also unlikely to do much – although presumably it could boost headline numbers for a quarter or two.  The private sector needs to grow, preferably through exporting and through competing more effectively against imports.

Peripheral Europe could, in principle, experience an "internal devaluation", in which nominal wages and prices fall, and they become hypercompetitive relative to Germany and other trading partners.  As a matter of practical economic outcomes, it is hard to imagine anything less likely.

Some politicians still hint they could produce the rabbit of "full European integration" of the proverbial magic hat.  What does this imply about quasi-permanent transfers from Germany to Greece (and others)?  Who pays to clean up the banks?  What happens to all the government debt already outstanding?  And does this mean that all Europe would now adopt German-style fiscal policy?

These schemes are moving even beyond the far-fetched notions that brought us the euro.  "Europe only integrates in the face of crisis" is the last slogan of the euro-enthusiasts.  Perhaps, but crises have a tendency to get out of control – particularly when they produce political backlash.

Most likely, the European Central Bank will provide some big additional "liquidity" loans to bring down government bond yields as we head into the summer.  We should worry about how long any such feel-good policies last.  Historically, August is a good month for a big European crisis.

At these difficult times approach, some people will admonish governments to stand up to markets.  But when you are relying on capital markets to finance a large part of your continuing budget deficit and your debt rollover, this is empty bravado.

European governments should never have put their heads so far into the lion's mouth with regard to public sector borrowing.  But the politicians – and many others – convinced themselves that they were all going to become more like Germany.

Peripheral Europe will never be like Germany.  It's time to face the implications of that fact.

An edited version of this post appeared this morning on the NYT.com's Economix blog.  It is used here with permission.  If you would like to reproduce the entire blog post, please contact the New York Times.


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